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Finding the Fourth Proportional to 45,586.80, 68,373.36 and 14,418

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Solution

The fourth proportional to 45,586.80, 68,373.36 and 14,418 is: 21,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.80 : 68,373.36 = 14,418 : x
  2. Step 2: Convert to fraction form
    45,586.80/68,373.36 = 14,418/x
  3. Step 3: Cross multiply
    45,586.80x = 68,373.36 × 14,418
  4. Step 4: Simplify right side
    45,586.80x = 985,807,104.48
  5. Step 5: Solve for x
    x = 985,807,104.48/45,586.80
  6. Step 6: Final answer
    x = 21,624.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.